Research NewsAstronomy

Black Hole Lurks in Miniature Quasar

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Science  19 Dec 1997:
Vol. 278, Issue 5346, pp. 2055
DOI: 10.1126/science.278.5346.2055

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Astronomers are getting a closeup view of quasar behavior in a scaled-down model--a so-called microquasar in our own galaxy. Like its full-sized relatives, the microquasar is thought to contain a black hole, and it shows similar violent behavior, sometimes ejecting high-speed streams of ultrahot gas visible with radiotelescopes.